package com.ruoyi.framework.web.service;

import com.ruoyi.common.core.domain.entity.SysUser;
import com.ruoyi.common.core.domain.model.LoginUser;
import com.ruoyi.common.enums.UserStatus;
import com.ruoyi.common.exception.ServiceException;
import com.ruoyi.common.utils.MessageUtils;
import com.ruoyi.common.utils.StringUtils;
import com.ruoyi.system.service.ISysUserService;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.core.userdetails.UserDetails;
import org.springframework.security.core.userdetails.UserDetailsService;
import org.springframework.security.core.userdetails.UsernameNotFoundException;
import org.springframework.stereotype.Service;

/**
 * 用户验证处理
 *
 * @author ruoyi
 */
@Service
public class UserDetailsServiceImpl implements UserDetailsService {
    private static final Logger log = LoggerFactory.getLogger(UserDetailsServiceImpl.class);

    @Autowired
    private ISysUserService userService;

    @Autowired
    private SysPasswordService passwordService;

    @Autowired
    private SysPermissionService permissionService;

    @Override
    public UserDetails loadUserByUsername(String identifier) throws UsernameNotFoundException {
        SysUser user = null;

        // 判断输入类型，并调用相应的查询方法
        if (isPhoneNumber(identifier)) {
            // 使用手机号查询用户
            user = userService.selectUserByPhoneNumber(identifier);
        } else {
            user = userService.selectUserByUserName(identifier);
        }
        // 检查用户状态
        validateUserStatus(identifier, user);
        // 只有非电话号码登录时才校验密码
        if (!isPhoneNumber(identifier)) {
            passwordService.validate(user);
        }
        return createLoginUser(user);
    }

    private static void validateUserStatus(String identifier, SysUser user) {
        if (StringUtils.isNull(user)) {
            log.info("登录用户：{} 不存在.", identifier);
            throw new ServiceException(MessageUtils.message("user.not.exists"));
        } else if (UserStatus.DELETED.getCode().equals(user.getDelFlag())) {
            log.info("登录用户：{} 已被删除.", identifier);
            throw new ServiceException(MessageUtils.message("user.password.delete"));
        } else if (UserStatus.DISABLE.getCode().equals(user.getStatus())) {
            log.info("登录用户：{} 已被停用.", identifier);
            throw new ServiceException(MessageUtils.message("user.blocked"));
        }
    }

    public UserDetails createLoginUser(SysUser user) {
        return new LoginUser(user.getUserId(), user.getDeptId(), user, permissionService.getMenuPermission(user));
    }

    public static boolean isEmail(String str) {
        return str != null && str.matches("^[A-Za-z0-9._%+-]+@[A-Za-z0-9.-]+\\.[A-Z|a-z]{2,}$");
    }

    public static boolean isPhoneNumber(String str) {
        return str != null && str.matches("^\\+?\\d{10,15}$"); // 示例的正则，可根据具体需求调整
    }

    public static boolean isIdCard(String str) {
        return str != null && str.matches("^[0-9]{15}|[0-9]{18}$");
    }
}
